Indo-Pakistani disputes

The Indo-Pakistani disputes are a set of interlinked conflicts between the Republic of India and the Islamic Republic of Pakistan dating from the Partition of British India in August 1947. The central and most enduring flashpoint is the status of the former princely state of Jammu and Kashmir, whose Hindu maharaja Hari Singh signed an Instrument of Accession to India in October 1947 while a majority-Muslim population and Pakistani-backed tribal incursions contested that outcome.

The two states have fought several declared wars:

• First Kashmir War (1947–48), ended by a UN-brokered ceasefire on 1 January 1949 establishing the Ceasefire Line (later the Line of Control).
• 1965 War, concluded by the Tashkent Declaration in January 1966, mediated by the Soviet Union.
• 1971 War, triggered by the Bangladesh Liberation conflict and ending with the secession of East Pakistan as Bangladesh; the subsequent Simla Agreement (1972) committed both sides to bilateral resolution of disputes.
• Kargil conflict (1999), fought across the Line of Control in Ladakh after both states had openly tested nuclear weapons in 1998.

Beyond Kashmir, recurring disputes include the Siachen Glacier (contested since 1984), the Sir Creek maritime boundary in the Rann of Kutch, water-sharing under the 1960 Indus Waters Treaty brokered by the World Bank, and cross-border terrorism — notably the 2001 Indian Parliament attack, the 2008 Mumbai attacks, and the 2019 Pulwama–Balakot crisis. In August 2019 India revoked the special constitutional status of Jammu and Kashmir under Article 370, which Pakistan rejected and downgraded diplomatic ties in response.

Both states are nuclear-armed and are not parties to the Treaty on the Non-Proliferation of Nuclear Weapons, making the dyad a frequent case study in deterrence theory, crisis stability, and the limits of third-party mediation. The United Nations Military Observer Group in India and Pakistan (UNMOGIP), established in 1949, remains deployed along the Line of Control.